Answer:
Step-by-step explanation:
Given : the seasons graph below shows the average daily temperature over the period of a year.
To Find: explain how each labeled section of the graph relates to the four seasons
Solution:
Considering the graph
"A"is representing Winter (Jan - Feb) when the temperature is the lowest.
"B" is representing Spring when the temperature is increasing.
"C"is representing Summer when the average temperature increase, then decrease.
"D" is representing Autumn when the average temperature is decreasing.
Answer:
Step-by-step explanation:
Since, CD is an altitude, ∠CDB will be a right angle.
m∠CDB = m∠CDA = 90°
By applying triangle sum theorem in ΔABC,
m∠CAB + m∠CBA + m∠ACB = 180°
20° + m∠CBA + 90° = 180°
m∠CBA = 180° - 110°
= 70°
Therefore, m∠CBD = 70°
By applying triangle sum theorem in ΔBCD,
m∠BCD + m∠CDB + m∠DBC = 180°
m∠BCD + 90° + 70° = 180°
m∠BCD + 160° = 180°
m∠BCD = 20°
m∠CAD = m∠A = 20°
m∠ACD = 90° - m∠BCD
= 90° - 20°
m∠ACD = 70°
Answer:
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Answer:
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